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<div class="title">IntensityModel.h</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode:c++ -*- ********************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * file:        IntensityModel.h</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * author:      Jerome Rousselot</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * copyright:   (C) 2008 Centre Suisse d&#39;Electronique et Microtechnique (CSEM) SA</span>
<a name="l00007"></a>00007 <span class="comment"> *              Real-Time Software and Networking</span>
<a name="l00008"></a>00008 <span class="comment"> *              Jaquet-Droz 1, CH-2002 Neuchatel, Switzerland.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> *              This program is free software; you can redistribute it</span>
<a name="l00011"></a>00011 <span class="comment"> *              and/or modify it under the terms of the GNU General Public</span>
<a name="l00012"></a>00012 <span class="comment"> *              License as published by the Free Software Foundation; either</span>
<a name="l00013"></a>00013 <span class="comment"> *              version 2 of the License, or (at your option) any later</span>
<a name="l00014"></a>00014 <span class="comment"> *              version.</span>
<a name="l00015"></a>00015 <span class="comment"> *              For further information see file COPYING</span>
<a name="l00016"></a>00016 <span class="comment"> *              in the top level directory</span>
<a name="l00017"></a>00017 <span class="comment"> * description: this AnalogueModel models the spreading of radiated power</span>
<a name="l00018"></a>00018 <span class="comment"> *        over a sphere centered on the emitter.</span>
<a name="l00019"></a>00019 <span class="comment"> ***************************************************************************/</span>
<a name="l00020"></a>00020 <span class="preprocessor">#ifndef INTENSITYMODEL_H_</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define INTENSITYMODEL_H_</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;math.h&gt;</span>
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 <span class="preprocessor">#include &quot;MiXiMDefs.h&quot;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &quot;AnalogueModel.h&quot;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &quot;Mapping.h&quot;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &quot;MiXiMAirFrame.h&quot;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &quot;FWMath.h&quot;</span>
<a name="l00030"></a>00030 
<a name="l00036"></a><a class="code" href="a00103.html">00036</a> <span class="keyword">class </span>MIXIM_API <a class="code" href="a00103.html" title="TODO: Short description for this AnalogueModel.">IntensityModel</a> : <span class="keyword">public</span> <a class="code" href="a00009.html" title="Interface for the analogue models of the physical layer.">AnalogueModel</a> {
<a name="l00037"></a>00037 
<a name="l00038"></a>00038     <span class="keyword">public</span>:
<a name="l00039"></a>00039   <a class="code" href="a00103.html" title="TODO: Short description for this AnalogueModel.">IntensityModel</a>() { }
<a name="l00040"></a>00040   <span class="keyword">virtual</span> ~<a class="code" href="a00103.html" title="TODO: Short description for this AnalogueModel.">IntensityModel</a>() { }
<a name="l00041"></a>00041 
<a name="l00042"></a><a class="code" href="a00103.html#a8280f0e0f92d28db257f9d3cfeb8ced3">00042</a>   <span class="keywordtype">void</span> <a class="code" href="a00103.html#a8280f0e0f92d28db257f9d3cfeb8ced3" title="Has to be overriden by every implementation.">filterSignal</a>(airframe_ptr_t frame, <span class="keyword">const</span> <a class="code" href="a00065.html" title="Class for storing 3D coordinates.">Coord</a>&amp; sendersPos, <span class="keyword">const</span> <a class="code" href="a00065.html" title="Class for storing 3D coordinates.">Coord</a>&amp; receiverPos) {
<a name="l00043"></a>00043             <a class="code" href="a00192.html" title="The signal class stores the physical representation of the signal of an AirFrame.">Signal</a>&amp; s = frame-&gt;getSignal();
<a name="l00044"></a>00044             <a class="code" href="a00212.html">TimeMapping&lt;Linear&gt;</a>* attMapping = <span class="keyword">new</span> <a class="code" href="a00212.html">TimeMapping&lt;Linear&gt;</a>();
<a name="l00045"></a>00045 
<a name="l00046"></a>00046             <span class="comment">// Determine distance between sender and receiver</span>
<a name="l00047"></a>00047             assert(s.<a class="code" href="a00192.html#a7c4710243cf87caf7dfc9f313e2619b2" title="Returns the point in time when the receiving of the Signal started at the receiver module...">getReceptionStart</a>() == simTime());
<a name="l00048"></a>00048             <span class="keywordtype">double</span> distance = sendersPos.<a class="code" href="a00065.html#ab6a7bfcc5c55e5d8edbc7c0cb5a11626" title="Returns the distance to Coord &#39;a&#39;.">distance</a>(receiverPos);
<a name="l00049"></a>00049 
<a name="l00050"></a>00050             <a class="code" href="a00013.html" title="Defines an argument for a mapping.">Argument</a> arg;
<a name="l00051"></a>00051             attMapping-&gt;<a class="code" href="a00212.html#a453ce64062fa7afd7398735a9cf499a6" title="Changes the value of the function at the specified position.">setValue</a>(arg, 4 * M_PI * pow(distance, 2));
<a name="l00052"></a>00052             s.<a class="code" href="a00192.html#a0beeef0f27c33145a0fca521df1c5f5c" title="Adds a function representing an attenuation of the signal.">addAttenuation</a>(attMapping);
<a name="l00053"></a>00053         }
<a name="l00054"></a>00054 };
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="preprocessor">#endif </span><span class="comment">/* INTENSITYMODEL_H_ */</span>
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